Piano



FIG. 1 is a top, front perspective view of a piano showing my new design with the keyboard cover open;

FIG. 2 is a top, front perspective view thereof, with the keyboard cover closed;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a top plan view thereof; and

FIG. 8 is a bottom plan view thereof. 

The ornamental design for a piano, as shown. 